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$763+ Cheap flights from Klagenfurt (KLU) to Massachusetts

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
KLU — BOS
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Klagenfurt to Massachusetts

Cheapest flights from Klagenfurt to Massachusetts
Explore the most affordable flight options available from Klagenfurt to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Austrian Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:00 pm
KLU
-
BOS
1 stop28h 50m
Austrian Airlines
Thu 10/155:10 pm
BOS
-
KLU
1 stop14h 50m
Austrian Airlines
Deal found 2/1$763
This Flysmarter deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:45 am
KLU
-
BOS
2 stops15h 55m
Lufthansa
Thu 10/158:05 pm
BOS
-
KLU
2 stops11h 55m
Lufthansa
Deal found 2/1$767
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:50 am
KLU
-
BOS
2 stops38h 02m
Air Canada
Sun 3/226:40 pm
BOS
-
KLU
2 stops38h 10m
Air Canada
Deal found 2/2$769
This Flysmarter deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:45 am
KLU
-
BOS
1 stop14h 05m
Multiple Airlines
Thu 10/158:05 pm
BOS
-
KLU
2 stops11h 55m
Multiple Airlines
Deal found 2/1$770
This Austrian Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:45 am
KLU
-
BOS
2 stops16h 53m
Austrian Airlines
Thu 10/155:10 pm
BOS
-
KLU
1 stop14h 50m
Austrian Airlines
Deal found 2/1$949
This Air Canada deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:45 am
KLU
-
BOS
2 stops18h 19m
Air Canada
Wed 10/143:35 pm
BOS
-
KLU
2 stops16h 25m
Air Canada
Deal found 2/1$1,172
This Austrian Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:00 pm
KLU
-
BOS
1 stop28h 50m
Austrian Airlines
Wed 10/142:16 pm
BOS
-
KLU
2 stops27h 04m
Austrian Airlines
Deal found 2/1$1,399
This Air Canada deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:45 am
KLU
-
BOS
2 stops18h 19m
Air Canada
Wed 10/143:35 pm
BOS
-
KLU
2 stops16h 25m
Air Canada
Deal found 2/1$1,486
This Austrian Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:00 pm
KLU
-
BOS
1 stop28h 50m
Austrian Airlines
Fri 10/162:16 pm
BOS
-
KLU
2 stops17h 44m
Austrian Airlines
Deal found 2/1$1,802

Find flight deals from Klagenfurt to Massachusetts

Keep the following information in mind while searching for Klagenfurt to Massachusetts flight deals. Data was last updated February 3, 2026.

Round-trip from

$769
(Air Canada)
From Klagenfurt to Massachusetts
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Klagenfurt to Massachusetts that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Klagenfurt to Massachusetts that are best for you.

Fly from

Klagenfurt

Fly to

Massachusetts

Route

Depart

Return

Price

KlagenfurtBoston

KLU - BOS

KLUBOS

Klagenfurt

Thu 3/19

5:50 am-7:12 pm

2 stops18h 22m

Boston Logan Intl

Sun 3/22

6:40 pm-1:50 pm

2 stops38h 10m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Best time to book a flight from Klagenfurt to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Klagenfurt with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Klagenfurt to Massachusetts

What is the cheapest month to book a flight from Klagenfurt to Massachusetts?

Currently, August is the cheapest month in which you can book a flight from Klagenfurt to Massachusetts (average of $517). Flying from Klagenfurt to Massachusetts in November is currently the most expensive (average of $1,448). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Klagenfurt to Massachusetts. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Klagenfurt to Massachusetts?

    Klagenfurt (KLU), located 2.0 mi from the city center, is the airport you fly out of when you book flights from Klagenfurt to Massachusetts.

  • How long is the flight from Klagenfurt to Massachusetts?

    There are many flights that can get you from Klagenfurt to Massachusetts in 18h 22m. Fly via Air Canada to get the fastest option. The distance between Klagenfurt and Massachusetts is about 3998 mi.

  • Can I find deals for flights from Klagenfurt to Massachusetts that include hotel bookings?

    Yes. In addition to deals on Klagenfurt to Massachusetts flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Klagenfurt to Massachusetts?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Klagenfurt to Massachusetts.

  • Can I find deals for business class flights from Klagenfurt to Massachusetts?

    Yes. Cheapflights offers flight deals from Klagenfurt to Massachusetts by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Klagenfurt to Massachusetts?

    Currently, August is the cheapest month in which you can book a flight from Klagenfurt to Massachusetts (average of $517). Flying from Klagenfurt to Massachusetts in November is currently the most expensive (average of $1,448). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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